Reorganize Service API demos.
This collapses multiple related files in one, to make it easier to deal with in documentation and elsewhere.
This commit is contained in:
@@ -217,14 +217,17 @@
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<service android:name=".app.LocalService" />
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<service android:name=".app.LocalService" />
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<activity android:name=".app.LocalServiceController" android:label="@string/activity_local_service_controller">
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<activity android:name=".app.LocalService$Controller"
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android:label="@string/activity_local_service_controller"
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android:launchMode="singleTop">
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<intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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</intent-filter>
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</intent-filter>
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</activity>
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</activity>
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<activity android:name=".app.LocalServiceBinding" android:label="@string/activity_local_service_binding">
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<activity android:name=".app.LocalService$Binding"
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android:label="@string/activity_local_service_binding">
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<intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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@@ -243,14 +246,17 @@
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</intent-filter>
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</intent-filter>
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</service>
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</service>
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<activity android:name=".app.RemoteServiceController" android:label="@string/activity_remote_service_controller">
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<activity android:name=".app.RemoteService$Controller"
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android:label="@string/activity_remote_service_controller"
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android:launchMode="singleTop">
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<intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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</intent-filter>
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</intent-filter>
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</activity>
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</activity>
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<activity android:name=".app.RemoteServiceBinding" android:label="@string/activity_remote_service_binding">
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<activity android:name=".app.RemoteService$Binding"
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android:label="@string/activity_remote_service_binding">
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<intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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@@ -259,7 +265,9 @@
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<service android:name=".app.ServiceStartArguments" />
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<service android:name=".app.ServiceStartArguments" />
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<activity android:name=".app.ServiceStartArgumentsController" android:label="@string/activity_service_start_arguments_controller">
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<activity android:name=".app.ServiceStartArguments$Controller"
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android:label="@string/activity_service_start_arguments_controller"
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android:launchMode="singleTop">
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<intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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@@ -268,7 +276,9 @@
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<service android:name=".app.ForegroundService" />
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<service android:name=".app.ForegroundService" />
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<activity android:name=".app.ForegroundServiceController" android:label="@string/activity_foreground_service_controller">
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<activity android:name=".app.ForegroundService$Controller"
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android:label="@string/activity_foreground_service_controller"
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android:launchMode="singleTop">
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<intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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@@ -16,13 +16,18 @@
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package com.example.android.apis.app;
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package com.example.android.apis.app;
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import android.app.Activity;
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import android.app.Notification;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.app.NotificationManager;
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import android.app.PendingIntent;
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import android.app.PendingIntent;
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import android.app.Service;
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import android.app.Service;
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import android.content.Intent;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.os.IBinder;
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import android.util.Log;
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import android.util.Log;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.Button;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Method;
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@@ -43,6 +48,7 @@ public class ForegroundService extends Service {
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static final String ACTION_FOREGROUND = "com.example.android.apis.FOREGROUND";
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static final String ACTION_FOREGROUND = "com.example.android.apis.FOREGROUND";
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static final String ACTION_BACKGROUND = "com.example.android.apis.BACKGROUND";
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static final String ACTION_BACKGROUND = "com.example.android.apis.BACKGROUND";
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// BEGIN_INCLUDE(foreground_compatibility)
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private static final Class[] mStartForegroundSignature = new Class[] {
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private static final Class[] mStartForegroundSignature = new Class[] {
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int.class, Notification.class};
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int.class, Notification.class};
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private static final Class[] mStopForegroundSignature = new Class[] {
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private static final Class[] mStopForegroundSignature = new Class[] {
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@@ -54,60 +60,6 @@ public class ForegroundService extends Service {
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private Object[] mStartForegroundArgs = new Object[2];
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private Object[] mStartForegroundArgs = new Object[2];
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private Object[] mStopForegroundArgs = new Object[1];
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private Object[] mStopForegroundArgs = new Object[1];
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@Override
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public void onCreate() {
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mNM = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
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try {
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mStartForeground = getClass().getMethod("startForeground",
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mStartForegroundSignature);
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mStopForeground = getClass().getMethod("stopForeground",
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mStopForegroundSignature);
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} catch (NoSuchMethodException e) {
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// Running on an older platform.
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mStartForeground = mStopForeground = null;
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}
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}
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// This is the old onStart method that will be called on the pre-2.0
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// platform. On 2.0 or later we override onStartCommand() so this
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// method will not be called.
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@Override
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public void onStart(Intent intent, int startId) {
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handleCommand(intent);
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}
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@Override
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public int onStartCommand(Intent intent, int flags, int startId) {
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handleCommand(intent);
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// We want this service to continue running until it is explicitly
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// stopped, so return sticky.
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return START_STICKY;
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}
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void handleCommand(Intent intent) {
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if (ACTION_FOREGROUND.equals(intent.getAction())) {
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// In this sample, we'll use the same text for the ticker and the expanded notification
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CharSequence text = getText(R.string.foreground_service_started);
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// Set the icon, scrolling text and timestamp
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Notification notification = new Notification(R.drawable.stat_sample, text,
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System.currentTimeMillis());
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// The PendingIntent to launch our activity if the user selects this notification
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PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
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new Intent(this, ForegroundServiceController.class), 0);
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// Set the info for the views that show in the notification panel.
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notification.setLatestEventInfo(this, getText(R.string.local_service_label),
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text, contentIntent);
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startForegroundCompat(R.string.foreground_service_started, notification);
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} else if (ACTION_BACKGROUND.equals(intent.getAction())) {
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stopForegroundCompat(R.string.foreground_service_started);
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}
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}
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/**
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/**
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* This is a wrapper around the new startForeground method, using the older
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* This is a wrapper around the new startForeground method, using the older
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* APIs if it is not available.
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* APIs if it is not available.
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@@ -160,14 +112,119 @@ public class ForegroundService extends Service {
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setForeground(false);
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setForeground(false);
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}
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}
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@Override
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public void onCreate() {
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mNM = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
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try {
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mStartForeground = getClass().getMethod("startForeground",
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mStartForegroundSignature);
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mStopForeground = getClass().getMethod("stopForeground",
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mStopForegroundSignature);
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} catch (NoSuchMethodException e) {
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// Running on an older platform.
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mStartForeground = mStopForeground = null;
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}
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}
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@Override
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@Override
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public void onDestroy() {
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public void onDestroy() {
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// Make sure our notification is gone.
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// Make sure our notification is gone.
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stopForegroundCompat(R.string.foreground_service_started);
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stopForegroundCompat(R.string.foreground_service_started);
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}
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}
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// END_INCLUDE(foreground_compatibility)
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// BEGIN_INCLUDE(start_compatibility)
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// This is the old onStart method that will be called on the pre-2.0
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// platform. On 2.0 or later we override onStartCommand() so this
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// method will not be called.
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@Override
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public void onStart(Intent intent, int startId) {
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handleCommand(intent);
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}
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@Override
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public int onStartCommand(Intent intent, int flags, int startId) {
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handleCommand(intent);
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// We want this service to continue running until it is explicitly
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// stopped, so return sticky.
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return START_STICKY;
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}
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// END_INCLUDE(start_compatibility)
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void handleCommand(Intent intent) {
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if (ACTION_FOREGROUND.equals(intent.getAction())) {
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// In this sample, we'll use the same text for the ticker and the expanded notification
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CharSequence text = getText(R.string.foreground_service_started);
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// Set the icon, scrolling text and timestamp
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Notification notification = new Notification(R.drawable.stat_sample, text,
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System.currentTimeMillis());
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// The PendingIntent to launch our activity if the user selects this notification
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PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
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new Intent(this, Controller.class), 0);
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// Set the info for the views that show in the notification panel.
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notification.setLatestEventInfo(this, getText(R.string.local_service_label),
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text, contentIntent);
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startForegroundCompat(R.string.foreground_service_started, notification);
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} else if (ACTION_BACKGROUND.equals(intent.getAction())) {
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stopForegroundCompat(R.string.foreground_service_started);
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}
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}
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@Override
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@Override
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public IBinder onBind(Intent intent) {
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public IBinder onBind(Intent intent) {
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return null;
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return null;
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}
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}
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// ----------------------------------------------------------------------
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/**
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* <p>Example of explicitly starting and stopping the {@link ForegroundService}.
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*
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* <p>Note that this is implemented as an inner class only keep the sample
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* all together; typically this code would appear in some separate class.
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*/
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public static class Controller extends Activity {
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.foreground_service_controller);
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// Watch for button clicks.
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Button button = (Button)findViewById(R.id.start_foreground);
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button.setOnClickListener(mForegroundListener);
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button = (Button)findViewById(R.id.start_background);
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button.setOnClickListener(mBackgroundListener);
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button = (Button)findViewById(R.id.stop);
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button.setOnClickListener(mStopListener);
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}
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private OnClickListener mForegroundListener = new OnClickListener() {
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public void onClick(View v) {
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Intent intent = new Intent(ForegroundService.ACTION_FOREGROUND);
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intent.setClass(Controller.this, ForegroundService.class);
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startService(intent);
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}
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};
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private OnClickListener mBackgroundListener = new OnClickListener() {
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public void onClick(View v) {
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Intent intent = new Intent(ForegroundService.ACTION_BACKGROUND);
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intent.setClass(Controller.this, ForegroundService.class);
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startService(intent);
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}
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};
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private OnClickListener mStopListener = new OnClickListener() {
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public void onClick(View v) {
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stopService(new Intent(Controller.this,
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ForegroundService.class));
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}
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};
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}
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}
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}
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@@ -1,74 +0,0 @@
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/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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|
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* You may obtain a copy of the License at
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|
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*
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|
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* http://www.apache.org/licenses/LICENSE-2.0
|
|
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*
|
|
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* Unless required by applicable law or agreed to in writing, software
|
|
||||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
||||||
* See the License for the specific language governing permissions and
|
|
||||||
* limitations under the License.
|
|
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*/
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package com.example.android.apis.app;
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// Need the following import to get access to the app resources, since this
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// class is in a sub-package.
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import com.example.android.apis.R;
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import android.app.Activity;
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import android.content.ComponentName;
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import android.content.Intent;
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import android.os.Bundle;
|
|
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import android.view.View;
|
|
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import android.view.View.OnClickListener;
|
|
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import android.widget.Button;
|
|
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|
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|
|
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/**
|
|
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* <p>Example of explicitly starting and stopping the {@link ForegroundService}.
|
|
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*/
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|
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public class ForegroundServiceController extends Activity {
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|
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@Override
|
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.foreground_service_controller);
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// Watch for button clicks.
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Button button = (Button)findViewById(R.id.start_foreground);
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button.setOnClickListener(mForegroundListener);
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button = (Button)findViewById(R.id.start_background);
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button.setOnClickListener(mBackgroundListener);
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button = (Button)findViewById(R.id.stop);
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button.setOnClickListener(mStopListener);
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}
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private OnClickListener mForegroundListener = new OnClickListener() {
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public void onClick(View v) {
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Intent intent = new Intent(ForegroundService.ACTION_FOREGROUND);
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intent.setClass(ForegroundServiceController.this, ForegroundService.class);
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startService(intent);
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}
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};
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private OnClickListener mBackgroundListener = new OnClickListener() {
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public void onClick(View v) {
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Intent intent = new Intent(ForegroundService.ACTION_BACKGROUND);
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intent.setClass(ForegroundServiceController.this, ForegroundService.class);
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startService(intent);
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}
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};
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private OnClickListener mStopListener = new OnClickListener() {
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public void onClick(View v) {
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stopService(new Intent(ForegroundServiceController.this,
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|
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ForegroundService.class));
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}
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};
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}
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|
||||||
@@ -16,15 +16,22 @@
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|||||||
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|
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package com.example.android.apis.app;
|
package com.example.android.apis.app;
|
||||||
|
|
||||||
|
import android.app.Activity;
|
||||||
import android.app.Notification;
|
import android.app.Notification;
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import android.app.NotificationManager;
|
import android.app.NotificationManager;
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import android.app.PendingIntent;
|
import android.app.PendingIntent;
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import android.app.Service;
|
import android.app.Service;
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|
import android.content.ComponentName;
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||||||
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import android.content.Context;
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import android.content.Intent;
|
import android.content.Intent;
|
||||||
|
import android.content.ServiceConnection;
|
||||||
import android.os.Binder;
|
import android.os.Binder;
|
||||||
|
import android.os.Bundle;
|
||||||
import android.os.IBinder;
|
import android.os.IBinder;
|
||||||
import android.os.Parcel;
|
|
||||||
import android.util.Log;
|
import android.util.Log;
|
||||||
|
import android.view.View;
|
||||||
|
import android.view.View.OnClickListener;
|
||||||
|
import android.widget.Button;
|
||||||
import android.widget.Toast;
|
import android.widget.Toast;
|
||||||
|
|
||||||
// Need the following import to get access to the app resources, since this
|
// Need the following import to get access to the app resources, since this
|
||||||
@@ -33,8 +40,8 @@ import com.example.android.apis.R;
|
|||||||
|
|
||||||
/**
|
/**
|
||||||
* This is an example of implementing an application service that runs locally
|
* This is an example of implementing an application service that runs locally
|
||||||
* in the same process as the application. The {@link LocalServiceController}
|
* in the same process as the application. The {@link Controller}
|
||||||
* and {@link LocalServiceBinding} classes show how to interact with the
|
* and {@link Binding} classes show how to interact with the
|
||||||
* service.
|
* service.
|
||||||
*
|
*
|
||||||
* <p>Notice the use of the {@link NotificationManager} when interesting things
|
* <p>Notice the use of the {@link NotificationManager} when interesting things
|
||||||
@@ -103,7 +110,7 @@ public class LocalService extends Service {
|
|||||||
|
|
||||||
// The PendingIntent to launch our activity if the user selects this notification
|
// The PendingIntent to launch our activity if the user selects this notification
|
||||||
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
|
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
|
||||||
new Intent(this, LocalServiceController.class), 0);
|
new Intent(this, Controller.class), 0);
|
||||||
|
|
||||||
// Set the info for the views that show in the notification panel.
|
// Set the info for the views that show in the notification panel.
|
||||||
notification.setLatestEventInfo(this, getText(R.string.local_service_label),
|
notification.setLatestEventInfo(this, getText(R.string.local_service_label),
|
||||||
@@ -113,5 +120,127 @@ public class LocalService extends Service {
|
|||||||
// We use a layout id because it is a unique number. We use it later to cancel.
|
// We use a layout id because it is a unique number. We use it later to cancel.
|
||||||
mNM.notify(R.string.local_service_started, notification);
|
mNM.notify(R.string.local_service_started, notification);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// ----------------------------------------------------------------------
|
||||||
|
|
||||||
|
/**
|
||||||
|
* <p>Example of explicitly starting and stopping the local service.
|
||||||
|
* This demonstrates the implementation of a service that runs in the same
|
||||||
|
* process as the rest of the application, which is explicitly started and stopped
|
||||||
|
* as desired.</p>
|
||||||
|
*
|
||||||
|
* <p>Note that this is implemented as an inner class only keep the sample
|
||||||
|
* all together; typically this code would appear in some separate class.
|
||||||
|
*/
|
||||||
|
public static class Controller extends Activity {
|
||||||
|
@Override
|
||||||
|
protected void onCreate(Bundle savedInstanceState) {
|
||||||
|
super.onCreate(savedInstanceState);
|
||||||
|
|
||||||
|
setContentView(R.layout.local_service_controller);
|
||||||
|
|
||||||
|
// Watch for button clicks.
|
||||||
|
Button button = (Button)findViewById(R.id.start);
|
||||||
|
button.setOnClickListener(mStartListener);
|
||||||
|
button = (Button)findViewById(R.id.stop);
|
||||||
|
button.setOnClickListener(mStopListener);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
private OnClickListener mStartListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
// Make sure the service is started. It will continue running
|
||||||
|
// until someone calls stopService(). The Intent we use to find
|
||||||
|
// the service explicitly specifies our service component, because
|
||||||
|
// we want it running in our own process and don't want other
|
||||||
|
// applications to replace it.
|
||||||
|
startService(new Intent(Controller.this,
|
||||||
|
LocalService.class));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mStopListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
// Cancel a previous call to startService(). Note that the
|
||||||
|
// service will not actually stop at this point if there are
|
||||||
|
// still bound clients.
|
||||||
|
stopService(new Intent(Controller.this,
|
||||||
|
LocalService.class));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
// ----------------------------------------------------------------------
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Example of binding and unbinding to the local service.
|
||||||
|
* This demonstrates the implementation of a service which the client will
|
||||||
|
* bind to, receiving an object through which it can communicate with the service.</p>
|
||||||
|
*
|
||||||
|
* <p>Note that this is implemented as an inner class only keep the sample
|
||||||
|
* all together; typically this code would appear in some separate class.
|
||||||
|
*/
|
||||||
|
public static class Binding extends Activity {
|
||||||
|
private boolean mIsBound;
|
||||||
|
private LocalService mBoundService;
|
||||||
|
|
||||||
|
@Override
|
||||||
|
protected void onCreate(Bundle savedInstanceState) {
|
||||||
|
super.onCreate(savedInstanceState);
|
||||||
|
|
||||||
|
setContentView(R.layout.local_service_binding);
|
||||||
|
|
||||||
|
// Watch for button clicks.
|
||||||
|
Button button = (Button)findViewById(R.id.bind);
|
||||||
|
button.setOnClickListener(mBindListener);
|
||||||
|
button = (Button)findViewById(R.id.unbind);
|
||||||
|
button.setOnClickListener(mUnbindListener);
|
||||||
|
}
|
||||||
|
|
||||||
|
private ServiceConnection mConnection = new ServiceConnection() {
|
||||||
|
public void onServiceConnected(ComponentName className, IBinder service) {
|
||||||
|
// This is called when the connection with the service has been
|
||||||
|
// established, giving us the service object we can use to
|
||||||
|
// interact with the service. Because we have bound to a explicit
|
||||||
|
// service that we know is running in our own process, we can
|
||||||
|
// cast its IBinder to a concrete class and directly access it.
|
||||||
|
mBoundService = ((LocalService.LocalBinder)service).getService();
|
||||||
|
|
||||||
|
// Tell the user about this for our demo.
|
||||||
|
Toast.makeText(Binding.this, R.string.local_service_connected,
|
||||||
|
Toast.LENGTH_SHORT).show();
|
||||||
|
}
|
||||||
|
|
||||||
|
public void onServiceDisconnected(ComponentName className) {
|
||||||
|
// This is called when the connection with the service has been
|
||||||
|
// unexpectedly disconnected -- that is, its process crashed.
|
||||||
|
// Because it is running in our same process, we should never
|
||||||
|
// see this happen.
|
||||||
|
mBoundService = null;
|
||||||
|
Toast.makeText(Binding.this, R.string.local_service_disconnected,
|
||||||
|
Toast.LENGTH_SHORT).show();
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mBindListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
// Establish a connection with the service. We use an explicit
|
||||||
|
// class name because we want a specific service implementation that
|
||||||
|
// we know will be running in our own process (and thus won't be
|
||||||
|
// supporting component replacement by other applications).
|
||||||
|
bindService(new Intent(Binding.this,
|
||||||
|
LocalService.class), mConnection, Context.BIND_AUTO_CREATE);
|
||||||
|
mIsBound = true;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mUnbindListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
if (mIsBound) {
|
||||||
|
// Detach our existing connection.
|
||||||
|
unbindService(mConnection);
|
||||||
|
mIsBound = false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|||||||
@@ -1,103 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2007 The Android Open Source Project
|
|
||||||
*
|
|
||||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
||||||
* you may not use this file except in compliance with the License.
|
|
||||||
* You may obtain a copy of the License at
|
|
||||||
*
|
|
||||||
* http://www.apache.org/licenses/LICENSE-2.0
|
|
||||||
*
|
|
||||||
* Unless required by applicable law or agreed to in writing, software
|
|
||||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
||||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
||||||
* See the License for the specific language governing permissions and
|
|
||||||
* limitations under the License.
|
|
||||||
*/
|
|
||||||
|
|
||||||
package com.example.android.apis.app;
|
|
||||||
|
|
||||||
import com.example.android.apis.R;
|
|
||||||
|
|
||||||
import android.app.Activity;
|
|
||||||
import android.content.ComponentName;
|
|
||||||
import android.content.Context;
|
|
||||||
import android.content.Intent;
|
|
||||||
import android.content.ServiceConnection;
|
|
||||||
import android.os.Bundle;
|
|
||||||
import android.os.IBinder;
|
|
||||||
import android.view.View;
|
|
||||||
import android.view.View.OnClickListener;
|
|
||||||
import android.widget.Button;
|
|
||||||
import android.widget.Toast;
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* <p>Example of binding and unbinding to the {@link LocalService}.
|
|
||||||
* This demonstrates the implementation of a service which the client will
|
|
||||||
* bind to, receiving an object through which it can communicate with the service.</p>
|
|
||||||
*/
|
|
||||||
public class LocalServiceBinding extends Activity {
|
|
||||||
private boolean mIsBound;
|
|
||||||
private LocalService mBoundService;
|
|
||||||
|
|
||||||
@Override
|
|
||||||
protected void onCreate(Bundle savedInstanceState) {
|
|
||||||
super.onCreate(savedInstanceState);
|
|
||||||
|
|
||||||
setContentView(R.layout.local_service_binding);
|
|
||||||
|
|
||||||
// Watch for button clicks.
|
|
||||||
Button button = (Button)findViewById(R.id.bind);
|
|
||||||
button.setOnClickListener(mBindListener);
|
|
||||||
button = (Button)findViewById(R.id.unbind);
|
|
||||||
button.setOnClickListener(mUnbindListener);
|
|
||||||
}
|
|
||||||
|
|
||||||
private ServiceConnection mConnection = new ServiceConnection() {
|
|
||||||
public void onServiceConnected(ComponentName className, IBinder service) {
|
|
||||||
// This is called when the connection with the service has been
|
|
||||||
// established, giving us the service object we can use to
|
|
||||||
// interact with the service. Because we have bound to a explicit
|
|
||||||
// service that we know is running in our own process, we can
|
|
||||||
// cast its IBinder to a concrete class and directly access it.
|
|
||||||
mBoundService = ((LocalService.LocalBinder)service).getService();
|
|
||||||
|
|
||||||
// Tell the user about this for our demo.
|
|
||||||
Toast.makeText(LocalServiceBinding.this, R.string.local_service_connected,
|
|
||||||
Toast.LENGTH_SHORT).show();
|
|
||||||
}
|
|
||||||
|
|
||||||
public void onServiceDisconnected(ComponentName className) {
|
|
||||||
// This is called when the connection with the service has been
|
|
||||||
// unexpectedly disconnected -- that is, its process crashed.
|
|
||||||
// Because it is running in our same process, we should never
|
|
||||||
// see this happen.
|
|
||||||
mBoundService = null;
|
|
||||||
Toast.makeText(LocalServiceBinding.this, R.string.local_service_disconnected,
|
|
||||||
Toast.LENGTH_SHORT).show();
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mBindListener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
// Establish a connection with the service. We use an explicit
|
|
||||||
// class name because we want a specific service implementation that
|
|
||||||
// we know will be running in our own process (and thus won't be
|
|
||||||
// supporting component replacement by other applications).
|
|
||||||
bindService(new Intent(LocalServiceBinding.this,
|
|
||||||
LocalService.class), mConnection, Context.BIND_AUTO_CREATE);
|
|
||||||
mIsBound = true;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mUnbindListener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
if (mIsBound) {
|
|
||||||
// Detach our existing connection.
|
|
||||||
unbindService(mConnection);
|
|
||||||
mIsBound = false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
@@ -1,76 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2007 The Android Open Source Project
|
|
||||||
*
|
|
||||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
||||||
* you may not use this file except in compliance with the License.
|
|
||||||
* You may obtain a copy of the License at
|
|
||||||
*
|
|
||||||
* http://www.apache.org/licenses/LICENSE-2.0
|
|
||||||
*
|
|
||||||
* Unless required by applicable law or agreed to in writing, software
|
|
||||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
||||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
||||||
* See the License for the specific language governing permissions and
|
|
||||||
* limitations under the License.
|
|
||||||
*/
|
|
||||||
|
|
||||||
package com.example.android.apis.app;
|
|
||||||
|
|
||||||
// Need the following import to get access to the app resources, since this
|
|
||||||
// class is in a sub-package.
|
|
||||||
import com.example.android.apis.R;
|
|
||||||
|
|
||||||
import android.app.Activity;
|
|
||||||
import android.content.ComponentName;
|
|
||||||
import android.content.Intent;
|
|
||||||
import android.os.Bundle;
|
|
||||||
import android.view.View;
|
|
||||||
import android.view.View.OnClickListener;
|
|
||||||
import android.widget.Button;
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* <p>Example of explicitly starting and stopping the {@link LocalService}.
|
|
||||||
* This demonstrates the implementation of a service that runs in the same
|
|
||||||
* process as the rest of the application, which is explicitly started and stopped
|
|
||||||
* as desired.</p>
|
|
||||||
*/
|
|
||||||
public class LocalServiceController extends Activity {
|
|
||||||
@Override
|
|
||||||
protected void onCreate(Bundle savedInstanceState) {
|
|
||||||
super.onCreate(savedInstanceState);
|
|
||||||
|
|
||||||
setContentView(R.layout.local_service_controller);
|
|
||||||
|
|
||||||
// Watch for button clicks.
|
|
||||||
Button button = (Button)findViewById(R.id.start);
|
|
||||||
button.setOnClickListener(mStartListener);
|
|
||||||
button = (Button)findViewById(R.id.stop);
|
|
||||||
button.setOnClickListener(mStopListener);
|
|
||||||
}
|
|
||||||
|
|
||||||
private OnClickListener mStartListener = new OnClickListener() {
|
|
||||||
public void onClick(View v)
|
|
||||||
{
|
|
||||||
// Make sure the service is started. It will continue running
|
|
||||||
// until someone calls stopService(). The Intent we use to find
|
|
||||||
// the service explicitly specifies our service component, because
|
|
||||||
// we want it running in our own process and don't want other
|
|
||||||
// applications to replace it.
|
|
||||||
startService(new Intent(LocalServiceController.this,
|
|
||||||
LocalService.class));
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mStopListener = new OnClickListener() {
|
|
||||||
public void onClick(View v)
|
|
||||||
{
|
|
||||||
// Cancel a previous call to startService(). Note that the
|
|
||||||
// service will not actually stop at this point if there are
|
|
||||||
// still bound clients.
|
|
||||||
stopService(new Intent(LocalServiceController.this,
|
|
||||||
LocalService.class));
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
@@ -16,21 +16,28 @@
|
|||||||
|
|
||||||
package com.example.android.apis.app;
|
package com.example.android.apis.app;
|
||||||
|
|
||||||
|
import android.app.Activity;
|
||||||
import android.app.Notification;
|
import android.app.Notification;
|
||||||
import android.app.NotificationManager;
|
import android.app.NotificationManager;
|
||||||
import android.app.PendingIntent;
|
import android.app.PendingIntent;
|
||||||
import android.app.Service;
|
import android.app.Service;
|
||||||
|
import android.content.ComponentName;
|
||||||
|
import android.content.Context;
|
||||||
import android.content.Intent;
|
import android.content.Intent;
|
||||||
|
import android.content.ServiceConnection;
|
||||||
|
import android.os.Bundle;
|
||||||
import android.os.RemoteException;
|
import android.os.RemoteException;
|
||||||
import android.os.Handler;
|
import android.os.Handler;
|
||||||
import android.os.IBinder;
|
import android.os.IBinder;
|
||||||
import android.os.Message;
|
import android.os.Message;
|
||||||
import android.os.Process;
|
import android.os.Process;
|
||||||
import android.os.RemoteCallbackList;
|
import android.os.RemoteCallbackList;
|
||||||
|
import android.view.View;
|
||||||
|
import android.view.View.OnClickListener;
|
||||||
|
import android.widget.Button;
|
||||||
|
import android.widget.TextView;
|
||||||
import android.widget.Toast;
|
import android.widget.Toast;
|
||||||
|
|
||||||
import java.util.HashMap;
|
|
||||||
|
|
||||||
// Need the following import to get access to the app resources, since this
|
// Need the following import to get access to the app resources, since this
|
||||||
// class is in a sub-package.
|
// class is in a sub-package.
|
||||||
import com.example.android.apis.R;
|
import com.example.android.apis.R;
|
||||||
@@ -39,8 +46,13 @@ import com.example.android.apis.R;
|
|||||||
* This is an example of implementing an application service that runs in a
|
* This is an example of implementing an application service that runs in a
|
||||||
* different process than the application. Because it can be in another
|
* different process than the application. Because it can be in another
|
||||||
* process, we must use IPC to interact with it. The
|
* process, we must use IPC to interact with it. The
|
||||||
* {@link RemoteServiceController} and {@link RemoteServiceBinding} classes
|
* {@link Controller} and {@link Binding} classes
|
||||||
* show how to interact with the service.
|
* show how to interact with the service.
|
||||||
|
*
|
||||||
|
* <p>Note that most applications <strong>do not</strong> need to deal with
|
||||||
|
* the complexity shown here. If your application simply has a service
|
||||||
|
* running in its own process, the {@link LocalService} sample shows a much
|
||||||
|
* simpler way to interact with it.
|
||||||
*/
|
*/
|
||||||
public class RemoteService extends Service {
|
public class RemoteService extends Service {
|
||||||
/**
|
/**
|
||||||
@@ -172,7 +184,7 @@ public class RemoteService extends Service {
|
|||||||
|
|
||||||
// The PendingIntent to launch our activity if the user selects this notification
|
// The PendingIntent to launch our activity if the user selects this notification
|
||||||
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
|
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
|
||||||
new Intent(this, LocalServiceController.class), 0);
|
new Intent(this, Controller.class), 0);
|
||||||
|
|
||||||
// Set the info for the views that show in the notification panel.
|
// Set the info for the views that show in the notification panel.
|
||||||
notification.setLatestEventInfo(this, getText(R.string.remote_service_label),
|
notification.setLatestEventInfo(this, getText(R.string.remote_service_label),
|
||||||
@@ -182,4 +194,266 @@ public class RemoteService extends Service {
|
|||||||
// We use a string id because it is a unique number. We use it later to cancel.
|
// We use a string id because it is a unique number. We use it later to cancel.
|
||||||
mNM.notify(R.string.remote_service_started, notification);
|
mNM.notify(R.string.remote_service_started, notification);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// ----------------------------------------------------------------------
|
||||||
|
|
||||||
|
/**
|
||||||
|
* <p>Example of explicitly starting and stopping the remove service.
|
||||||
|
* This demonstrates the implementation of a service that runs in a different
|
||||||
|
* process than the rest of the application, which is explicitly started and stopped
|
||||||
|
* as desired.</p>
|
||||||
|
*
|
||||||
|
* <p>Note that this is implemented as an inner class only keep the sample
|
||||||
|
* all together; typically this code would appear in some separate class.
|
||||||
|
*/
|
||||||
|
public static class Controller extends Activity {
|
||||||
|
@Override
|
||||||
|
protected void onCreate(Bundle savedInstanceState) {
|
||||||
|
super.onCreate(savedInstanceState);
|
||||||
|
|
||||||
|
setContentView(R.layout.remote_service_controller);
|
||||||
|
|
||||||
|
// Watch for button clicks.
|
||||||
|
Button button = (Button)findViewById(R.id.start);
|
||||||
|
button.setOnClickListener(mStartListener);
|
||||||
|
button = (Button)findViewById(R.id.stop);
|
||||||
|
button.setOnClickListener(mStopListener);
|
||||||
|
}
|
||||||
|
|
||||||
|
private OnClickListener mStartListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
// Make sure the service is started. It will continue running
|
||||||
|
// until someone calls stopService().
|
||||||
|
// We use an action code here, instead of explictly supplying
|
||||||
|
// the component name, so that other packages can replace
|
||||||
|
// the service.
|
||||||
|
startService(new Intent(
|
||||||
|
"com.example.android.apis.app.REMOTE_SERVICE"));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mStopListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
// Cancel a previous call to startService(). Note that the
|
||||||
|
// service will not actually stop at this point if there are
|
||||||
|
// still bound clients.
|
||||||
|
stopService(new Intent(
|
||||||
|
"com.example.android.apis.app.REMOTE_SERVICE"));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
// ----------------------------------------------------------------------
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Example of binding and unbinding to the remote service.
|
||||||
|
* This demonstrates the implementation of a service which the client will
|
||||||
|
* bind to, interacting with it through an aidl interface.</p>
|
||||||
|
*
|
||||||
|
* <p>Note that this is implemented as an inner class only keep the sample
|
||||||
|
* all together; typically this code would appear in some separate class.
|
||||||
|
*/
|
||||||
|
// BEGIN_INCLUDE(calling_a_service)
|
||||||
|
public static class Binding extends Activity {
|
||||||
|
/** The primary interface we will be calling on the service. */
|
||||||
|
IRemoteService mService = null;
|
||||||
|
/** Another interface we use on the service. */
|
||||||
|
ISecondary mSecondaryService = null;
|
||||||
|
|
||||||
|
Button mKillButton;
|
||||||
|
TextView mCallbackText;
|
||||||
|
|
||||||
|
private boolean mIsBound;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Standard initialization of this activity. Set up the UI, then wait
|
||||||
|
* for the user to poke it before doing anything.
|
||||||
|
*/
|
||||||
|
@Override
|
||||||
|
protected void onCreate(Bundle savedInstanceState) {
|
||||||
|
super.onCreate(savedInstanceState);
|
||||||
|
|
||||||
|
setContentView(R.layout.remote_service_binding);
|
||||||
|
|
||||||
|
// Watch for button clicks.
|
||||||
|
Button button = (Button)findViewById(R.id.bind);
|
||||||
|
button.setOnClickListener(mBindListener);
|
||||||
|
button = (Button)findViewById(R.id.unbind);
|
||||||
|
button.setOnClickListener(mUnbindListener);
|
||||||
|
mKillButton = (Button)findViewById(R.id.kill);
|
||||||
|
mKillButton.setOnClickListener(mKillListener);
|
||||||
|
mKillButton.setEnabled(false);
|
||||||
|
|
||||||
|
mCallbackText = (TextView)findViewById(R.id.callback);
|
||||||
|
mCallbackText.setText("Not attached.");
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Class for interacting with the main interface of the service.
|
||||||
|
*/
|
||||||
|
private ServiceConnection mConnection = new ServiceConnection() {
|
||||||
|
public void onServiceConnected(ComponentName className,
|
||||||
|
IBinder service) {
|
||||||
|
// This is called when the connection with the service has been
|
||||||
|
// established, giving us the service object we can use to
|
||||||
|
// interact with the service. We are communicating with our
|
||||||
|
// service through an IDL interface, so get a client-side
|
||||||
|
// representation of that from the raw service object.
|
||||||
|
mService = IRemoteService.Stub.asInterface(service);
|
||||||
|
mKillButton.setEnabled(true);
|
||||||
|
mCallbackText.setText("Attached.");
|
||||||
|
|
||||||
|
// We want to monitor the service for as long as we are
|
||||||
|
// connected to it.
|
||||||
|
try {
|
||||||
|
mService.registerCallback(mCallback);
|
||||||
|
} catch (RemoteException e) {
|
||||||
|
// In this case the service has crashed before we could even
|
||||||
|
// do anything with it; we can count on soon being
|
||||||
|
// disconnected (and then reconnected if it can be restarted)
|
||||||
|
// so there is no need to do anything here.
|
||||||
|
}
|
||||||
|
|
||||||
|
// As part of the sample, tell the user what happened.
|
||||||
|
Toast.makeText(Binding.this, R.string.remote_service_connected,
|
||||||
|
Toast.LENGTH_SHORT).show();
|
||||||
|
}
|
||||||
|
|
||||||
|
public void onServiceDisconnected(ComponentName className) {
|
||||||
|
// This is called when the connection with the service has been
|
||||||
|
// unexpectedly disconnected -- that is, its process crashed.
|
||||||
|
mService = null;
|
||||||
|
mKillButton.setEnabled(false);
|
||||||
|
mCallbackText.setText("Disconnected.");
|
||||||
|
|
||||||
|
// As part of the sample, tell the user what happened.
|
||||||
|
Toast.makeText(Binding.this, R.string.remote_service_disconnected,
|
||||||
|
Toast.LENGTH_SHORT).show();
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Class for interacting with the secondary interface of the service.
|
||||||
|
*/
|
||||||
|
private ServiceConnection mSecondaryConnection = new ServiceConnection() {
|
||||||
|
public void onServiceConnected(ComponentName className,
|
||||||
|
IBinder service) {
|
||||||
|
// Connecting to a secondary interface is the same as any
|
||||||
|
// other interface.
|
||||||
|
mSecondaryService = ISecondary.Stub.asInterface(service);
|
||||||
|
mKillButton.setEnabled(true);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void onServiceDisconnected(ComponentName className) {
|
||||||
|
mSecondaryService = null;
|
||||||
|
mKillButton.setEnabled(false);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mBindListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
// Establish a couple connections with the service, binding
|
||||||
|
// by interface names. This allows other applications to be
|
||||||
|
// installed that replace the remote service by implementing
|
||||||
|
// the same interface.
|
||||||
|
bindService(new Intent(IRemoteService.class.getName()),
|
||||||
|
mConnection, Context.BIND_AUTO_CREATE);
|
||||||
|
bindService(new Intent(ISecondary.class.getName()),
|
||||||
|
mSecondaryConnection, Context.BIND_AUTO_CREATE);
|
||||||
|
mIsBound = true;
|
||||||
|
mCallbackText.setText("Binding.");
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mUnbindListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
if (mIsBound) {
|
||||||
|
// If we have received the service, and hence registered with
|
||||||
|
// it, then now is the time to unregister.
|
||||||
|
if (mService != null) {
|
||||||
|
try {
|
||||||
|
mService.unregisterCallback(mCallback);
|
||||||
|
} catch (RemoteException e) {
|
||||||
|
// There is nothing special we need to do if the service
|
||||||
|
// has crashed.
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Detach our existing connection.
|
||||||
|
unbindService(mConnection);
|
||||||
|
unbindService(mSecondaryConnection);
|
||||||
|
mKillButton.setEnabled(false);
|
||||||
|
mIsBound = false;
|
||||||
|
mCallbackText.setText("Unbinding.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mKillListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
// To kill the process hosting our service, we need to know its
|
||||||
|
// PID. Conveniently our service has a call that will return
|
||||||
|
// to us that information.
|
||||||
|
if (mSecondaryService != null) {
|
||||||
|
try {
|
||||||
|
int pid = mSecondaryService.getPid();
|
||||||
|
// Note that, though this API allows us to request to
|
||||||
|
// kill any process based on its PID, the kernel will
|
||||||
|
// still impose standard restrictions on which PIDs you
|
||||||
|
// are actually able to kill. Typically this means only
|
||||||
|
// the process running your application and any additional
|
||||||
|
// processes created by that app as shown here; packages
|
||||||
|
// sharing a common UID will also be able to kill each
|
||||||
|
// other's processes.
|
||||||
|
Process.killProcess(pid);
|
||||||
|
mCallbackText.setText("Killed service process.");
|
||||||
|
} catch (RemoteException ex) {
|
||||||
|
// Recover gracefully from the process hosting the
|
||||||
|
// server dying.
|
||||||
|
// Just for purposes of the sample, put up a notification.
|
||||||
|
Toast.makeText(Binding.this,
|
||||||
|
R.string.remote_call_failed,
|
||||||
|
Toast.LENGTH_SHORT).show();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// ----------------------------------------------------------------------
|
||||||
|
// Code showing how to deal with callbacks.
|
||||||
|
// ----------------------------------------------------------------------
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This implementation is used to receive callbacks from the remote
|
||||||
|
* service.
|
||||||
|
*/
|
||||||
|
private IRemoteServiceCallback mCallback = new IRemoteServiceCallback.Stub() {
|
||||||
|
/**
|
||||||
|
* This is called by the remote service regularly to tell us about
|
||||||
|
* new values. Note that IPC calls are dispatched through a thread
|
||||||
|
* pool running in each process, so the code executing here will
|
||||||
|
* NOT be running in our main thread like most other things -- so,
|
||||||
|
* to update the UI, we need to use a Handler to hop over there.
|
||||||
|
*/
|
||||||
|
public void valueChanged(int value) {
|
||||||
|
mHandler.sendMessage(mHandler.obtainMessage(BUMP_MSG, value, 0));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private static final int BUMP_MSG = 1;
|
||||||
|
|
||||||
|
private Handler mHandler = new Handler() {
|
||||||
|
@Override public void handleMessage(Message msg) {
|
||||||
|
switch (msg.what) {
|
||||||
|
case BUMP_MSG:
|
||||||
|
mCallbackText.setText("Received from service: " + msg.arg1);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
super.handleMessage(msg);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
};
|
||||||
|
}
|
||||||
|
// END_INCLUDE(calling_a_service)
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,241 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2007 The Android Open Source Project
|
|
||||||
*
|
|
||||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
||||||
* you may not use this file except in compliance with the License.
|
|
||||||
* You may obtain a copy of the License at
|
|
||||||
*
|
|
||||||
* http://www.apache.org/licenses/LICENSE-2.0
|
|
||||||
*
|
|
||||||
* Unless required by applicable law or agreed to in writing, software
|
|
||||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
||||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
||||||
* See the License for the specific language governing permissions and
|
|
||||||
* limitations under the License.
|
|
||||||
*/
|
|
||||||
|
|
||||||
package com.example.android.apis.app;
|
|
||||||
|
|
||||||
import com.example.android.apis.R;
|
|
||||||
|
|
||||||
import android.app.Activity;
|
|
||||||
import android.content.ComponentName;
|
|
||||||
import android.content.Context;
|
|
||||||
import android.content.Intent;
|
|
||||||
import android.content.ServiceConnection;
|
|
||||||
import android.os.Bundle;
|
|
||||||
import android.os.RemoteException;
|
|
||||||
import android.os.Handler;
|
|
||||||
import android.os.IBinder;
|
|
||||||
import android.os.Message;
|
|
||||||
import android.os.Process;
|
|
||||||
import android.view.View;
|
|
||||||
import android.view.View.OnClickListener;
|
|
||||||
import android.widget.Button;
|
|
||||||
import android.widget.TextView;
|
|
||||||
import android.widget.Toast;
|
|
||||||
|
|
||||||
// BEGIN_INCLUDE(exposing_a_service)
|
|
||||||
public class RemoteServiceBinding extends Activity {
|
|
||||||
/** The primary interface we will be calling on the service. */
|
|
||||||
IRemoteService mService = null;
|
|
||||||
/** Another interface we use on the service. */
|
|
||||||
ISecondary mSecondaryService = null;
|
|
||||||
|
|
||||||
Button mKillButton;
|
|
||||||
TextView mCallbackText;
|
|
||||||
|
|
||||||
private boolean mIsBound;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Standard initialization of this activity. Set up the UI, then wait
|
|
||||||
* for the user to poke it before doing anything.
|
|
||||||
*/
|
|
||||||
@Override
|
|
||||||
protected void onCreate(Bundle savedInstanceState) {
|
|
||||||
super.onCreate(savedInstanceState);
|
|
||||||
|
|
||||||
setContentView(R.layout.remote_service_binding);
|
|
||||||
|
|
||||||
// Watch for button clicks.
|
|
||||||
Button button = (Button)findViewById(R.id.bind);
|
|
||||||
button.setOnClickListener(mBindListener);
|
|
||||||
button = (Button)findViewById(R.id.unbind);
|
|
||||||
button.setOnClickListener(mUnbindListener);
|
|
||||||
mKillButton = (Button)findViewById(R.id.kill);
|
|
||||||
mKillButton.setOnClickListener(mKillListener);
|
|
||||||
mKillButton.setEnabled(false);
|
|
||||||
|
|
||||||
mCallbackText = (TextView)findViewById(R.id.callback);
|
|
||||||
mCallbackText.setText("Not attached.");
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Class for interacting with the main interface of the service.
|
|
||||||
*/
|
|
||||||
private ServiceConnection mConnection = new ServiceConnection() {
|
|
||||||
public void onServiceConnected(ComponentName className,
|
|
||||||
IBinder service) {
|
|
||||||
// This is called when the connection with the service has been
|
|
||||||
// established, giving us the service object we can use to
|
|
||||||
// interact with the service. We are communicating with our
|
|
||||||
// service through an IDL interface, so get a client-side
|
|
||||||
// representation of that from the raw service object.
|
|
||||||
mService = IRemoteService.Stub.asInterface(service);
|
|
||||||
mKillButton.setEnabled(true);
|
|
||||||
mCallbackText.setText("Attached.");
|
|
||||||
|
|
||||||
// We want to monitor the service for as long as we are
|
|
||||||
// connected to it.
|
|
||||||
try {
|
|
||||||
mService.registerCallback(mCallback);
|
|
||||||
} catch (RemoteException e) {
|
|
||||||
// In this case the service has crashed before we could even
|
|
||||||
// do anything with it; we can count on soon being
|
|
||||||
// disconnected (and then reconnected if it can be restarted)
|
|
||||||
// so there is no need to do anything here.
|
|
||||||
}
|
|
||||||
|
|
||||||
// As part of the sample, tell the user what happened.
|
|
||||||
Toast.makeText(RemoteServiceBinding.this, R.string.remote_service_connected,
|
|
||||||
Toast.LENGTH_SHORT).show();
|
|
||||||
}
|
|
||||||
|
|
||||||
public void onServiceDisconnected(ComponentName className) {
|
|
||||||
// This is called when the connection with the service has been
|
|
||||||
// unexpectedly disconnected -- that is, its process crashed.
|
|
||||||
mService = null;
|
|
||||||
mKillButton.setEnabled(false);
|
|
||||||
mCallbackText.setText("Disconnected.");
|
|
||||||
|
|
||||||
// As part of the sample, tell the user what happened.
|
|
||||||
Toast.makeText(RemoteServiceBinding.this, R.string.remote_service_disconnected,
|
|
||||||
Toast.LENGTH_SHORT).show();
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Class for interacting with the secondary interface of the service.
|
|
||||||
*/
|
|
||||||
private ServiceConnection mSecondaryConnection = new ServiceConnection() {
|
|
||||||
public void onServiceConnected(ComponentName className,
|
|
||||||
IBinder service) {
|
|
||||||
// Connecting to a secondary interface is the same as any
|
|
||||||
// other interface.
|
|
||||||
mSecondaryService = ISecondary.Stub.asInterface(service);
|
|
||||||
mKillButton.setEnabled(true);
|
|
||||||
}
|
|
||||||
|
|
||||||
public void onServiceDisconnected(ComponentName className) {
|
|
||||||
mSecondaryService = null;
|
|
||||||
mKillButton.setEnabled(false);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mBindListener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
// Establish a couple connections with the service, binding
|
|
||||||
// by interface names. This allows other applications to be
|
|
||||||
// installed that replace the remote service by implementing
|
|
||||||
// the same interface.
|
|
||||||
bindService(new Intent(IRemoteService.class.getName()),
|
|
||||||
mConnection, Context.BIND_AUTO_CREATE);
|
|
||||||
bindService(new Intent(ISecondary.class.getName()),
|
|
||||||
mSecondaryConnection, Context.BIND_AUTO_CREATE);
|
|
||||||
mIsBound = true;
|
|
||||||
mCallbackText.setText("Binding.");
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mUnbindListener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
if (mIsBound) {
|
|
||||||
// If we have received the service, and hence registered with
|
|
||||||
// it, then now is the time to unregister.
|
|
||||||
if (mService != null) {
|
|
||||||
try {
|
|
||||||
mService.unregisterCallback(mCallback);
|
|
||||||
} catch (RemoteException e) {
|
|
||||||
// There is nothing special we need to do if the service
|
|
||||||
// has crashed.
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Detach our existing connection.
|
|
||||||
unbindService(mConnection);
|
|
||||||
unbindService(mSecondaryConnection);
|
|
||||||
mKillButton.setEnabled(false);
|
|
||||||
mIsBound = false;
|
|
||||||
mCallbackText.setText("Unbinding.");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mKillListener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
// To kill the process hosting our service, we need to know its
|
|
||||||
// PID. Conveniently our service has a call that will return
|
|
||||||
// to us that information.
|
|
||||||
if (mSecondaryService != null) {
|
|
||||||
try {
|
|
||||||
int pid = mSecondaryService.getPid();
|
|
||||||
// Note that, though this API allows us to request to
|
|
||||||
// kill any process based on its PID, the kernel will
|
|
||||||
// still impose standard restrictions on which PIDs you
|
|
||||||
// are actually able to kill. Typically this means only
|
|
||||||
// the process running your application and any additional
|
|
||||||
// processes created by that app as shown here; packages
|
|
||||||
// sharing a common UID will also be able to kill each
|
|
||||||
// other's processes.
|
|
||||||
Process.killProcess(pid);
|
|
||||||
mCallbackText.setText("Killed service process.");
|
|
||||||
} catch (RemoteException ex) {
|
|
||||||
// Recover gracefully from the process hosting the
|
|
||||||
// server dying.
|
|
||||||
// Just for purposes of the sample, put up a notification.
|
|
||||||
Toast.makeText(RemoteServiceBinding.this,
|
|
||||||
R.string.remote_call_failed,
|
|
||||||
Toast.LENGTH_SHORT).show();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
// ----------------------------------------------------------------------
|
|
||||||
// Code showing how to deal with callbacks.
|
|
||||||
// ----------------------------------------------------------------------
|
|
||||||
|
|
||||||
/**
|
|
||||||
* This implementation is used to receive callbacks from the remote
|
|
||||||
* service.
|
|
||||||
*/
|
|
||||||
private IRemoteServiceCallback mCallback = new IRemoteServiceCallback.Stub() {
|
|
||||||
/**
|
|
||||||
* This is called by the remote service regularly to tell us about
|
|
||||||
* new values. Note that IPC calls are dispatched through a thread
|
|
||||||
* pool running in each process, so the code executing here will
|
|
||||||
* NOT be running in our main thread like most other things -- so,
|
|
||||||
* to update the UI, we need to use a Handler to hop over there.
|
|
||||||
*/
|
|
||||||
public void valueChanged(int value) {
|
|
||||||
mHandler.sendMessage(mHandler.obtainMessage(BUMP_MSG, value, 0));
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private static final int BUMP_MSG = 1;
|
|
||||||
|
|
||||||
private Handler mHandler = new Handler() {
|
|
||||||
@Override public void handleMessage(Message msg) {
|
|
||||||
switch (msg.what) {
|
|
||||||
case BUMP_MSG:
|
|
||||||
mCallbackText.setText("Received from service: " + msg.arg1);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
super.handleMessage(msg);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
};
|
|
||||||
}
|
|
||||||
// END_INCLUDE(exposing_a_service)
|
|
||||||
|
|
||||||
@@ -1,65 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2007 The Android Open Source Project
|
|
||||||
*
|
|
||||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
||||||
* you may not use this file except in compliance with the License.
|
|
||||||
* You may obtain a copy of the License at
|
|
||||||
*
|
|
||||||
* http://www.apache.org/licenses/LICENSE-2.0
|
|
||||||
*
|
|
||||||
* Unless required by applicable law or agreed to in writing, software
|
|
||||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
||||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
||||||
* See the License for the specific language governing permissions and
|
|
||||||
* limitations under the License.
|
|
||||||
*/
|
|
||||||
|
|
||||||
package com.example.android.apis.app;
|
|
||||||
|
|
||||||
// Need the following import to get access to the app resources, since this
|
|
||||||
// class is in a sub-package.
|
|
||||||
import com.example.android.apis.R;
|
|
||||||
|
|
||||||
import android.app.Activity;
|
|
||||||
import android.content.Intent;
|
|
||||||
import android.os.Bundle;
|
|
||||||
import android.view.View;
|
|
||||||
import android.view.View.OnClickListener;
|
|
||||||
import android.widget.Button;
|
|
||||||
|
|
||||||
public class RemoteServiceController extends Activity {
|
|
||||||
@Override
|
|
||||||
protected void onCreate(Bundle savedInstanceState) {
|
|
||||||
super.onCreate(savedInstanceState);
|
|
||||||
|
|
||||||
setContentView(R.layout.remote_service_controller);
|
|
||||||
|
|
||||||
// Watch for button clicks.
|
|
||||||
Button button = (Button)findViewById(R.id.start);
|
|
||||||
button.setOnClickListener(mStartListener);
|
|
||||||
button = (Button)findViewById(R.id.stop);
|
|
||||||
button.setOnClickListener(mStopListener);
|
|
||||||
}
|
|
||||||
|
|
||||||
private OnClickListener mStartListener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
// Make sure the service is started. It will continue running
|
|
||||||
// until someone calls stopService().
|
|
||||||
// We use an action code here, instead of explictly supplying
|
|
||||||
// the component name, so that other packages can replace
|
|
||||||
// the service.
|
|
||||||
startService(new Intent(
|
|
||||||
"com.example.android.apis.app.REMOTE_SERVICE"));
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mStopListener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
// Cancel a previous call to startService(). Note that the
|
|
||||||
// service will not actually stop at this point if there are
|
|
||||||
// still bound clients.
|
|
||||||
stopService(new Intent(
|
|
||||||
"com.example.android.apis.app.REMOTE_SERVICE"));
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
@@ -16,6 +16,7 @@
|
|||||||
|
|
||||||
package com.example.android.apis.app;
|
package com.example.android.apis.app;
|
||||||
|
|
||||||
|
import android.app.Activity;
|
||||||
import android.app.Notification;
|
import android.app.Notification;
|
||||||
import android.app.NotificationManager;
|
import android.app.NotificationManager;
|
||||||
import android.app.PendingIntent;
|
import android.app.PendingIntent;
|
||||||
@@ -29,13 +30,16 @@ import android.os.Looper;
|
|||||||
import android.os.Message;
|
import android.os.Message;
|
||||||
import android.os.Process;
|
import android.os.Process;
|
||||||
import android.util.Log;
|
import android.util.Log;
|
||||||
|
import android.view.View;
|
||||||
|
import android.view.View.OnClickListener;
|
||||||
|
import android.widget.Button;
|
||||||
import android.widget.Toast;
|
import android.widget.Toast;
|
||||||
|
|
||||||
import com.example.android.apis.R;
|
import com.example.android.apis.R;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* This is an example of implementing an application service that runs locally
|
* This is an example of implementing an application service that runs locally
|
||||||
* in the same process as the application. The {@link ServiceStartArgumentsController}
|
* in the same process as the application. The {@link Controller}
|
||||||
* class shows how to interact with the service.
|
* class shows how to interact with the service.
|
||||||
*
|
*
|
||||||
* <p>Notice the use of the {@link NotificationManager} when interesting things
|
* <p>Notice the use of the {@link NotificationManager} when interesting things
|
||||||
@@ -44,7 +48,7 @@ import com.example.android.apis.R;
|
|||||||
* calling startActivity().
|
* calling startActivity().
|
||||||
*
|
*
|
||||||
* <p>For applications targeting Android 1.5 or beyond, you may want consider
|
* <p>For applications targeting Android 1.5 or beyond, you may want consider
|
||||||
* using the android.app.IntentService class, which takes care of all the
|
* using the {@link android.app.IntentService} class, which takes care of all the
|
||||||
* work of creating the extra thread and dispatching commands to it.
|
* work of creating the extra thread and dispatching commands to it.
|
||||||
*/
|
*/
|
||||||
public class ServiceStartArguments extends Service {
|
public class ServiceStartArguments extends Service {
|
||||||
@@ -59,8 +63,7 @@ public class ServiceStartArguments extends Service {
|
|||||||
}
|
}
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public void handleMessage(Message msg)
|
public void handleMessage(Message msg) {
|
||||||
{
|
|
||||||
Bundle arguments = (Bundle)msg.obj;
|
Bundle arguments = (Bundle)msg.obj;
|
||||||
|
|
||||||
String txt = arguments.getString("name");
|
String txt = arguments.getString("name");
|
||||||
@@ -105,7 +108,7 @@ public class ServiceStartArguments extends Service {
|
|||||||
|
|
||||||
// This is who should be launched if the user selects our persistent
|
// This is who should be launched if the user selects our persistent
|
||||||
// notification.
|
// notification.
|
||||||
mInvokeIntent = new Intent(this, ServiceStartArgumentsController.class);
|
mInvokeIntent = new Intent(this, Controller.class);
|
||||||
|
|
||||||
// Start up the thread running the service. Note that we create a
|
// Start up the thread running the service. Note that we create a
|
||||||
// separate thread because the service normally runs in the process's
|
// separate thread because the service normally runs in the process's
|
||||||
@@ -177,7 +180,7 @@ public class ServiceStartArguments extends Service {
|
|||||||
|
|
||||||
// The PendingIntent to launch our activity if the user selects this notification
|
// The PendingIntent to launch our activity if the user selects this notification
|
||||||
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
|
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
|
||||||
new Intent(this, AlarmService.class), 0);
|
new Intent(this, Controller.class), 0);
|
||||||
|
|
||||||
// Set the info for the views that show in the notification panel.
|
// Set the info for the views that show in the notification panel.
|
||||||
notification.setLatestEventInfo(this, getText(R.string.service_start_arguments_label),
|
notification.setLatestEventInfo(this, getText(R.string.service_start_arguments_label),
|
||||||
@@ -194,5 +197,76 @@ public class ServiceStartArguments extends Service {
|
|||||||
private void hideNotification() {
|
private void hideNotification() {
|
||||||
mNM.cancel(R.string.service_created);
|
mNM.cancel(R.string.service_created);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// ----------------------------------------------------------------------
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Example of explicitly starting the {@link ServiceStartArguments}.
|
||||||
|
*
|
||||||
|
* <p>Note that this is implemented as an inner class only keep the sample
|
||||||
|
* all together; typically this code would appear in some separate class.
|
||||||
|
*/
|
||||||
|
public static class Controller extends Activity {
|
||||||
|
@Override
|
||||||
|
protected void onCreate(Bundle savedInstanceState) {
|
||||||
|
super.onCreate(savedInstanceState);
|
||||||
|
|
||||||
|
setContentView(R.layout.service_start_arguments_controller);
|
||||||
|
|
||||||
|
// Watch for button clicks.
|
||||||
|
Button button = (Button)findViewById(R.id.start1);
|
||||||
|
button.setOnClickListener(mStart1Listener);
|
||||||
|
button = (Button)findViewById(R.id.start2);
|
||||||
|
button.setOnClickListener(mStart2Listener);
|
||||||
|
button = (Button)findViewById(R.id.start3);
|
||||||
|
button.setOnClickListener(mStart3Listener);
|
||||||
|
button = (Button)findViewById(R.id.startfail);
|
||||||
|
button.setOnClickListener(mStartFailListener);
|
||||||
|
button = (Button)findViewById(R.id.kill);
|
||||||
|
button.setOnClickListener(mKillListener);
|
||||||
|
}
|
||||||
|
|
||||||
|
private OnClickListener mStart1Listener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
startService(new Intent(Controller.this,
|
||||||
|
ServiceStartArguments.class)
|
||||||
|
.putExtra("name", "One"));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mStart2Listener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
startService(new Intent(Controller.this,
|
||||||
|
ServiceStartArguments.class)
|
||||||
|
.putExtra("name", "Two"));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mStart3Listener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
startService(new Intent(Controller.this,
|
||||||
|
ServiceStartArguments.class)
|
||||||
|
.putExtra("name", "Three")
|
||||||
|
.putExtra("redeliver", true));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mStartFailListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
startService(new Intent(Controller.this,
|
||||||
|
ServiceStartArguments.class)
|
||||||
|
.putExtra("name", "Failure")
|
||||||
|
.putExtra("fail", true));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
private OnClickListener mKillListener = new OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
// This is to simulate the service being killed while it is
|
||||||
|
// running in the background.
|
||||||
|
Process.killProcess(Process.myPid());
|
||||||
|
}
|
||||||
|
};
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
@@ -1,95 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2007 The Android Open Source Project
|
|
||||||
*
|
|
||||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
||||||
* you may not use this file except in compliance with the License.
|
|
||||||
* You may obtain a copy of the License at
|
|
||||||
*
|
|
||||||
* http://www.apache.org/licenses/LICENSE-2.0
|
|
||||||
*
|
|
||||||
* Unless required by applicable law or agreed to in writing, software
|
|
||||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
||||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
||||||
* See the License for the specific language governing permissions and
|
|
||||||
* limitations under the License.
|
|
||||||
*/
|
|
||||||
|
|
||||||
package com.example.android.apis.app;
|
|
||||||
|
|
||||||
// Need the following import to get access to the app resources, since this
|
|
||||||
// class is in a sub-package.
|
|
||||||
import android.app.Activity;
|
|
||||||
import android.content.Intent;
|
|
||||||
import android.os.Bundle;
|
|
||||||
import android.os.Process;
|
|
||||||
import android.view.View;
|
|
||||||
import android.view.View.OnClickListener;
|
|
||||||
import android.widget.Button;
|
|
||||||
|
|
||||||
import com.example.android.apis.R;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Example of explicitly starting the {@link ServiceStartArguments}.
|
|
||||||
*/
|
|
||||||
public class ServiceStartArgumentsController extends Activity {
|
|
||||||
@Override
|
|
||||||
protected void onCreate(Bundle savedInstanceState) {
|
|
||||||
super.onCreate(savedInstanceState);
|
|
||||||
|
|
||||||
setContentView(R.layout.service_start_arguments_controller);
|
|
||||||
|
|
||||||
// Watch for button clicks.
|
|
||||||
Button button = (Button)findViewById(R.id.start1);
|
|
||||||
button.setOnClickListener(mStart1Listener);
|
|
||||||
button = (Button)findViewById(R.id.start2);
|
|
||||||
button.setOnClickListener(mStart2Listener);
|
|
||||||
button = (Button)findViewById(R.id.start3);
|
|
||||||
button.setOnClickListener(mStart3Listener);
|
|
||||||
button = (Button)findViewById(R.id.startfail);
|
|
||||||
button.setOnClickListener(mStartFailListener);
|
|
||||||
button = (Button)findViewById(R.id.kill);
|
|
||||||
button.setOnClickListener(mKillListener);
|
|
||||||
}
|
|
||||||
|
|
||||||
private OnClickListener mStart1Listener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
startService(new Intent(ServiceStartArgumentsController.this,
|
|
||||||
ServiceStartArguments.class)
|
|
||||||
.putExtra("name", "One"));
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mStart2Listener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
startService(new Intent(ServiceStartArgumentsController.this,
|
|
||||||
ServiceStartArguments.class)
|
|
||||||
.putExtra("name", "Two"));
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mStart3Listener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
startService(new Intent(ServiceStartArgumentsController.this,
|
|
||||||
ServiceStartArguments.class)
|
|
||||||
.putExtra("name", "Three")
|
|
||||||
.putExtra("redeliver", true));
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mStartFailListener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
startService(new Intent(ServiceStartArgumentsController.this,
|
|
||||||
ServiceStartArguments.class)
|
|
||||||
.putExtra("name", "Failure")
|
|
||||||
.putExtra("fail", true));
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
private OnClickListener mKillListener = new OnClickListener() {
|
|
||||||
public void onClick(View v) {
|
|
||||||
// This is to simulate the service being killed while it is
|
|
||||||
// running in the background.
|
|
||||||
Process.killProcess(Process.myPid());
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
@@ -41,55 +41,44 @@
|
|||||||
|
|
||||||
<h3>Service</h3>
|
<h3>Service</h3>
|
||||||
<dl>
|
<dl>
|
||||||
<dt><a href="LocalServiceController.html">Local Service Controller</a></dt>
|
<dt><a href="LocalService.html">Local Service Controller and
|
||||||
<dd>Starts and stops the service class
|
Local Service Binding</a></dt>
|
||||||
<a href="LocalService.html">LocalService</a> that runs in the same
|
<dd>Demonstrate the implementation of a service that runs in the same
|
||||||
process as the activity, to demonstrate a service's
|
process as its client(s). Shows how those clients can either start/stop it
|
||||||
lifecycle when using {@link android.content.Context#startService
|
with {@link android.content.Context#startService
|
||||||
Context.startService} and {@link android.content.Context#stopService
|
Context.startService} and {@link android.content.Context#stopService
|
||||||
Context.stopService}.</dd>
|
Context.stopService}, or bind and call it with
|
||||||
|
|
||||||
<dt><a href="LocalServiceBinding.html">Local Service Binding</a></dt>
|
|
||||||
<dd>Demonstrates binding to a service class
|
|
||||||
<a href="LocalService.html">LocalService</a> that runs in the same
|
|
||||||
process as the activity, to demonstrate using the
|
|
||||||
{@link android.content.Context#bindService Context.bindService} and
|
{@link android.content.Context#bindService Context.bindService} and
|
||||||
{@link android.content.Context#unbindService Context.unindService}
|
{@link android.content.Context#unbindService Context.unindService}.
|
||||||
methods with a service. This also shows how you can simplify working
|
This also shows how you can simplify working
|
||||||
with a service when you know it will only run in your own process.</dd>
|
with a service when you know it will only run in your own process.</dd>
|
||||||
|
|
||||||
<dt><a href="RemoteServiceController.html">Remote Service Controller</a></dt>
|
<dt><a href="RemoteService.html">Remote Service Controller and
|
||||||
|
Remove Service Binding</a></dt>
|
||||||
<dd>Demonstrates starting a service in a separate process, by assigning
|
<dd>Demonstrates starting a service in a separate process, by assigning
|
||||||
<code>android:process=":remote"</code> to the service in the
|
<code>android:process=":remote"</code> to the service in the
|
||||||
AndroidManifest.xml file. </dd>
|
AndroidManifest.xml file. Shows how those clients can either start/stop it
|
||||||
|
with {@link android.content.Context#startService
|
||||||
<dt><a href="RemoteServiceBinding.html">Remote Service Binding</a></dt>
|
Context.startService} and {@link android.content.Context#stopService
|
||||||
<dd>Demonstrates binding to a remote service, similar to the Local Service
|
Context.stopService}, or bind and call it with
|
||||||
Binding sample, but illustrating the additional work (defining aidl
|
{@link android.content.Context#bindService Context.bindService} and
|
||||||
|
{@link android.content.Context#unbindService Context.unindService}.
|
||||||
|
Binding is similar to the local service sample,
|
||||||
|
but illustrates the additional work (defining aidl
|
||||||
interfaces) needed to interact with a service in another process. Also
|
interfaces) needed to interact with a service in another process. Also
|
||||||
shows how a service can publish multiple interfaces and implement
|
shows how a service can publish multiple interfaces and implement
|
||||||
callbacks to its clients.</dd>
|
callbacks to its clients.</dd>
|
||||||
|
|
||||||
<dt><a href="ServiceStartArgumentsController.html">Service Start Arguments Controller</a></dt>
|
<dt><a href="ServiceStartArguments.html">Service Start Arguments Controller</a></dt>
|
||||||
<dd>Demonstrates how you can use a Service as a job queue, where you
|
<dd>Demonstrates how you can use a Service as a job queue, where you
|
||||||
submit jobs to it with {@link android.content.Context#startService
|
submit jobs to it with {@link android.content.Context#startService
|
||||||
Context.startService} instead of binding to the service. Such a service
|
Context.startService} instead of binding to the service. Such a service
|
||||||
automatically stops itself once all jobs have been processed. This can be
|
automatically stops itself once all jobs have been processed. This can be
|
||||||
a very convenient way to interact with a service when you do not need
|
a very convenient way to interact with a service when you do not need
|
||||||
a result back from it.
|
a result back from it.</dd>
|
||||||
<dl>
|
|
||||||
<dt>Code:
|
|
||||||
<dd> <a href="ServiceStartArgumentsController.html">ServiceStartArgumentsController.java</a>
|
|
||||||
<dd> <a href="ServiceStartArguments.html">ServiceStartArguments.java</a>
|
|
||||||
<dt>Layout:
|
|
||||||
<dd> <a href="/guide/samples/ApiDemos/res/layout/service_start_arguments_controller.html">
|
|
||||||
service_start_arguments_controller.xml</a>
|
|
||||||
</dl>
|
|
||||||
</dd>
|
|
||||||
|
|
||||||
<dt><a href="ForegroundServiceController.html">Foreground Service Controller</a></dt>
|
<dt><a href="ForegroundService.html">Foreground Service Controller</a></dt>
|
||||||
<dd>Controls the service class
|
<dd>Shows how you
|
||||||
<a href="ForegroundService.html">ForegroundService</a>, which shows how you
|
|
||||||
can write a Service that runs in the foreground and works on both pre-2.0
|
can write a Service that runs in the foreground and works on both pre-2.0
|
||||||
and post-2.0 versions of the platform. This example will selectively use
|
and post-2.0 versions of the platform. This example will selectively use
|
||||||
the new foreground APIs that were introduced in Android 2.0 if they are
|
the new foreground APIs that were introduced in Android 2.0 if they are
|
||||||
|
|||||||
Reference in New Issue
Block a user